/*
 * Copyright (c) 2020 Tunaiyi
 * Tny Framework is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
 * NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 * See the Mulan PSL v2 for more details.
 */

package com.tny.game.net.netty4.channel;

import com.google.common.collect.ImmutableList;
import io.netty.channel.*;

import java.util.List;

public abstract class BaseChannelMaker<C extends Channel> implements ChannelMaker<C> {

    private List<ChannelPipelineChain> channelPipelineChains = ImmutableList.of();

    protected BaseChannelMaker() {
    }

    @Override
    public void initChannel(C channel) throws Exception {
        ChannelPipeline channelPipeline = channel.pipeline();
        for (ChannelPipelineChain chain : channelPipelineChains) {
            chain.beforeMake(channelPipeline);
        }
        makeChannel(channel);
        for (ChannelPipelineChain chain : channelPipelineChains) {
            chain.afterMake(channelPipeline);
        }
        this.postInitChannel(channel);
    }

    protected abstract void makeChannel(C channel) throws Exception;

    protected abstract void postInitChannel(C channel);

    public BaseChannelMaker<C> setChannelPipelineChains(List<ChannelPipelineChain> channelPipelineChains) {
        this.channelPipelineChains = ImmutableList.copyOf(channelPipelineChains);
        return this;
    }

}
